FranLab and EEVBlog did a livestream together, there also was done by the Angry Astronaut, as well as one by the Everyday Astronaut. I'd say if you're on HN the

FranLab and EEVBlog did a livestream together, there also was done by the Angry Astronaut, as well as one by the Everyday Astronaut. I'd say if you're on HN there's a decent chance you know at least one of these channels already, Youtube just isn't doing a good job of notifying subscribers to livestreams :)